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To: Andre Oppermann <andre@freebsd.org>
From: Ian FREISLICH <if@hetzner.co.za>
In-Reply-To: Message from Andre Oppermann <andre@freebsd.org> 
	of "Wed, 20 Sep 2006 15:52:23 +0200." <45114797.3030305@freebsd.org> 
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Date: Wed, 20 Sep 2006 16:02:05 +0200
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Cc: Poul-Henning Kamp <phk@phk.freebsd.dk>, current@freebsd.org
Subject: Re: if_em goes mum 
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Andre Oppermann wrote:
> Poul-Henning Kamp wrote:
> > In message <E1GQ0NC-000C5i-FM@hetzner.co.za>, Ian FREISLICH writes:
> > 
> >>Poul-Henning Kamp wrote:
> >>
> >>>Every few minutes my if_em goes mum, it receives packets but
> >>>does not transmit anything.
> >>>
> >>>ifconfig em0 down ; sleep .1 ; ifconfig em0 up
> >>>
> >>>makes it work again.
> >>
> >>Is the OACTIVE flag set? And is TSO enabled on the interface with
> >>100M media?
> > 
> > 
> > em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> >         options=38b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWCSUM,TSO4,TSO6>
> >         inet 10.221.74.159 netmask 0xffff0000 broadcast 10.221.255.255
> >         ether 00:0d:60:cf:26:7a
> >         media: Ethernet autoselect (1000baseTX <full-duplex>)
> >         status: active
> > 
> > 
> > I've disabled tso and I still see the hang:
> > 
> > em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> >         options=8b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWCSUM>
> >         inet 10.221.74.159 netmask 0xffff0000 broadcast 10.221.255.255
> >         ether 00:0d:60:cf:26:7a
> >         media: Ethernet autoselect (1000baseTX <full-duplex>)
> >         status: active
> 
> Please give the 'pciconf -lv' output for the em devices.  I have a machine
> with a particular chipset that has some trouble as well.  Jack Vogel tries
> to debug it.

em0@pci3:4:0:   class=0x020000 card=0x10798086 chip=0x10798086 rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82546EB Dual Port Gigabit Ethernet Controller'
    class    = network
    subclass = ethernet
em1@pci3:4:1:   class=0x020000 card=0x10798086 chip=0x10798086 rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82546EB Dual Port Gigabit Ethernet Controller'
    class    = network
    subclass = ethernet
em2@pci5:1:0:   class=0x020000 card=0x11798086 chip=0x10798086 rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82546EB Dual Port Gigabit Ethernet Controller'
    class    = network
    subclass = ethernet
em3@pci5:1:1:   class=0x020000 card=0x11798086 chip=0x10798086 rev=0x03 hdr=0x00
    vendor   = 'Intel Corporation'
    device   = '82546EB Dual Port Gigabit Ethernet Controller'
    class    = network
    subclass = ethernet


--
Ian Freislich